Pulse Width Modulation

Appendices

Appendix I

Simulation parameters are as follows:

SVPWM parameters:

Modulation index m = 0.8

dc supply voltage = 300 V

No. of switching intervals n = 48

Sampling frequency = 2400 Hz

Sampling time Ts = 4.166 e−4 seconds

Three-phase induction motor:

3 HP, 220 V, 50 Hz, 4 poles, 1500 rpm

Rs = 0.55 Ω; Rr = 0.78 Ω

Ls = 93.38 mH; Lr = 93.36 mH

Lm = 90.5 mH

J = 0.019 kg-m2

Fr = 0.000051 N-m/rad/s

TL = 10.32 N-m

Appendix II

Simulation parameters are as follows:

SVPWM parameters:

Modulation index m = 0.8

dc-link voltage = 400 V

No. of switching intervals n = 72

Sampling frequency = 3600 Hz

Sampling time Ts = 2.7778 e−4 seconds

Three-phase induction motor:

3 HP, 400 V, 50 Hz, 4 poles, 1500 rpm

Rs = 1.405 Ω; Rr = 1.395 Ω

Ls = 5.839 mH; Lr = 5.839 ...